List of fossiliferous stratigraphic units in England

Group or Formation Period Notes
Alston Group/Knipe Scar Limestone Carboniferous
Alston Group/Potts Beck Limestone Carboniferous
Alum Shale Jurassic
Ampthill Clay Jurassic
Ancholme Group/Kimmeridge Clay Jurassic
Ancholme Group/Oxford Clay Jurassic
Ashfell Limestone Carboniferous
Aymestry Formation Silurian
Baggy Sandstones Formation Devonian
Bala Group/Chatwell Flags Formation Ordovician
Barton Formation Palaeogene
Barton Beds Palaeogene
Barton Clay Palaeogene
Bee Low Limestones Formation Carboniferous
Belemnite Marls Jurassic
Bembridge Limestone Palaeogene
Bembridge Marls Palaeogene
Bentham Grit Carboniferous
Berkshire Oolite Formation Jurassic
Black Rock Formation Carboniferous
Blackdown Greensand Formation Cretaceous
Blackheath Beds Palaeogene
Blue Lias Formation Jurassic
Bracklesham Formation Palaeogene
Bracklesham Beds Palaeogene
Bracklesham Group/Earnley Formation Palaeogene
Bracklesham Group/Elmore Formation Palaeogene
Bracklesham Group/Marsh Farm Formation Palaeogene
Bracklesham Group/Selsey Formation Palaeogene
Bracklesham Group/Wittering Formation Palaeogene
Bringewood Beds Silurian
Brockenhurst Beds Palaeogene
Bromsgrove Sandstone Triassic
Burwell Rock Formation Cretaceous
Calcareous Grit Jurassic
Carboniferous Limestone Carboniferous
Carmarthen Formation Ordovician
Carstone Formation Cretaceous
Caton Shales Carboniferous
Cauldon Low Conglomerate Formation Carboniferous
Cauldon Low Limestone Carboniferous
Cementstone Formation Carboniferous
Chalk Formation Cretaceous
Chalk Marl Formation Cretaceous
Chalk Group/"Upper Chalk" Formation Cretaceous
Chalk Group/Lower Chalk Formation Cretaceous
Chalk Group/Lower Formation Cretaceous
Charmouth Mudstone Formation Jurassic
Chee Tor Limestone Carboniferous
Cheney Longville Formation Ordovician
Chillesford Clay
Claxby Ironstone Formation Cretaceous
Clifton Down Limestone Carboniferous
Cockhill Marine Band Formation Carboniferous
Colsterdale Marine Beds Carboniferous
Coral Rag Formation Jurassic
Corallian Oolite Formation Jurassic
Corallian Group/Coral Rag Formation Jurassic
Corallian Group/Kingston Formation Jurassic
Coralline Crag Formation Neogene
Coralline Oolite Formation Jurassic
Cornbrash Formation Jurassic
Cotswold Slate Formation Jurassic
Crag Group/Norwich Crag Formation
Crag Group/Weybourne Crag Formation
Creechbarrow Limestone Palaeogene
Cromer Forest Bed Formation
Cromer Knoll Formation
Cromer Knoll Group/Spilsby Sandstone Cretaceous
Crossdale Shales Carboniferous
Crugan Mudstone Formation Ordovician
Dartmouth Beds Devonian
Denbury Crinoidal Limestone Devonian
Dent Group/Keisley Limestone Ordovician
Ditton Formation Devonian
Downton Castle Sandstone Silurian
Downton Sandstone Silurian
Downton Group/Downton Castle Sandstone Silurian
Downton Group/Rushall Formation Silurian
Dufton Shales Ordovician
Durlston Formation Cretaceous
Duyfor Mudstone Formation Ordovician
East Ogwell Limestone Devonian
Eggardon Grit Cretaceous
Elton Beds Silurian
Eyam Limestone Carboniferous
Eyam Limestones Formation Carboniferous
Farne Group/Scremerston Formation Carboniferous
Forest Bed Formation
Forest Hollow Beds Carboniferous
Forest Marble Formation Jurassic
Frome Clay Jurassic
Fullers Earth Formation Jurassic
Gault Formation Cretaceous
Glauconitic Marl Formation Cretaceous
Great Oolite Formation Jurassic
Great Oolite Group/Bath Oolite Formation Jurassic
Great Oolite Group/Chipping Norton Limestone Jurassic
Great Oolite Group/Cornbrash Formation Jurassic
Great Oolite Group/Forest Marble Formation Jurassic
Great Oolite Group/Hampen Marly Formation Jurassic
Great Oolite Group/Sharp's Hill Formation Jurassic
Great Oolite Group/Taynton Limestone Jurassic
Great Oolite Group/White Limestone Jurassic
Great Scar Limestone Group/Ashfell Formation Carboniferous
Great Scar Limestone Group/Danny Bridge Formation Carboniferous
Greta Grit Carboniferous
Habberley Shale Ordovician
Hambleton Oolite Formation Jurassic
Hampen Marly Formation Jurassic
Hartshill Formation Cambrian
Harwish Formation Palaeogene
Hastings Formation Cretaceous
Hastings Beds Cretaceous
Hastings Beds Group/Wadhurst Clay Cretaceous
Hastings Group/Grinstead Clay Cretaceous
Headon Beds Palaeogene
Headon Hill Formation Palaeogene
Hempstead Formation Palaeogene
Hilton Plant Beds Permian
Hirnant Limestone Ordovician
Holderness Formation
Hope Shale Ordovician
Hopedale Limestones Formation Carboniferous
Hotwells Formation Carboniferous
Inferior Oolite Formation Jurassic
Inferior Oolite Group/Chipping Norton Limestone Jurassic
Inferior Oolite Group/Middle Inferior Oolite Formation Jurassic
Inferior Oolite Group/Northampton Sands Jurassic
Inferior Oolite Group/Upper Inferior Oolite Formation Jurassic
Infracombe Slates Group/Combe Martin Slates Formation Devonian
Insect Bed Formation Triassic
Iron Sands Jurassic
Junction Bed Formation Jurassic
Keisley Formation Ordovician
Kimmeridge Clay Jurassic
Kimmeridge Formation Jurassic
Kirkby Moor Flags Formation Silurian
Ledbury Formation Silurian
Leintwardine Formation Silurian
Leintwardine Beds Silurian
Lias Formation Jurassic, Triassic
Lias Group/Beacon Limstone Formation Jurassic
Lias Group/Blue Lias Formation Jurassic, Triassic
Lias Group/Charmouth Mudstone Formation Jurassic
Lias Group/Dyrham Formation Jurassic
Lias Group/Marlstone Rock Formation Jurassic
Lias Group/Scunthorpe Mudstone Formation Triassic
Lias Group/Whitby Mudstone Formation Jurassic
Lincolnshire Limestone Jurassic
Llanfallteg Formation Ordovician
London Clay Palaeogene
Lower Borland Shales Carboniferous
Lower Calcareous Grit Jurassic
Lower Chalk Formation Cretaceous
Lower Chalk Group/Abbott's Cliff Formation Cretaceous
Lower Chalk Group/Cambridge Greensand Formation Cretaceous
Lower Chalk Group/Chalk Marl Formation Cretaceous
Lower Comley Formation Cambrian
Lower Ditton Formation Devonian
Lower Greensand Formation Cretaceous
Lower Greensand Group/Atherfield Clay Cretaceous
Lower Greensand Group/Faringdon Sand Formation Cretaceous
Lower Greensand Group/Ferruginous Sands Cretaceous
Lower Greensand Group/Folkestone Formation Cretaceous
Lower Greensand Group/Hythe Formation Cretaceous
Lower Greensand Group/Sandgate Formation Cretaceous
Lower Greensand Group/Woburn Sand Formation Cretaceous
Lower Hamstead Beds Palaeogene
Lower Headon Beds Palaeogene
Lower Limestone Group/Great Scar Limestone Carboniferous
Lower Marl Formation Permian
Ludlow Formation Silurian
Lulworth Formation Cretaceous
Lynton Slates Formation Devonian
Magnesian Conglomerate Formation Triassic
Malton Oolite Formation Jurassic
Mammaliferous Crag Formation
Marl Slate Formation Permian
Mercia Mudstone Group/Blue Anchor Formation Triassic
Mercia Mudstone Group/Keuper Waterstones Formation Triassic
Mercia Mudstone Group/Tarporley Siltstone Formation Triassic
Merevale Shales Ordovician
Middle Calcareous Grit Jurassic
Middle Chalk Formation Cretaceous
Middle Headon Beds Palaeogene
Middle Inferior Oolite Formation Jurassic
Middle Limestone Group/Five Yard Limestone VI Formation Carboniferous
Middle Limestone Group/Five Yard Limestone VI Cyclothem Formation Carboniferous
Middle Limestone Group/Five Yard Limestone VIa Formation Carboniferous
Middle Limestone Group/Five Yard Limestone VIa Cyclothem Formation Carboniferous
Middle Limestone Group/Five Yard Limestone VIb Formation Carboniferous
Middle Limestone Group/Gayle Limestone Cyclothem Formation Carboniferous
Middle Limestone Group/Gayle Limestone II Formation Carboniferous
Middle Limestone Group/Gayle Shale Carboniferous
Middle Limestone Group/Hardrow Scar Limestone III Formation Carboniferous
Middle Limestone Group/Hardrow Scar Limestone III Cyclothem Formation Carboniferous
Middle Limestone Group/Hardrow Scar Limestone IIIa Formation Carboniferous
Middle Limestone Group/Hardrow Scar Limestone IIIb Formation Carboniferous
Middle Limestone Group/Hardrow Scar Limestone IIIc Formation Carboniferous
Middle Limestone Group/Hawes Limestone I Formation Carboniferous
Middle Limestone Group/Middle Limestone V Formation Carboniferous
Middle Limestone Group/Middle Limestone V Cyclothem Formation Carboniferous
Middle Limestone Group/Middle Limestone Va Formation Carboniferous
Middle Limestone Group/Middle Limestone Va Cyclothem Formation Carboniferous
Middle Limestone Group/Simonstone Limestone IV Formation Carboniferous
Middle Limestone Group/Simonstone Limestone IV Cyclothem Formation Carboniferous
Middle Limestone Group/Simonstone Limestone IVa Formation Carboniferous
Middle Limestone Group/Simonstone Limestone IVa Cyclothem Formation Carboniferous
Middle Limestone Group/Simonstone Limestone IVb Formation Carboniferous
Middle Limestone Group/Simonstone Limestone IVb Cyclothem Formation Carboniferous
Middle Limestone Group/Simonstone Limestone IVc Formation Carboniferous
Middle Limestone Group/Simonstone Limestone IVc Cyclothem Formation Carboniferous
Middle Limestone Group/Three Yard Limestone VII Formation Carboniferous
Middle Limestone Group/Three Yard Limestone VII Cyclothem Formation Carboniferous
Middle Limestone Group/Underset Limestone VIII Formation Carboniferous
Milldale Limestone Carboniferous
Monsal Dale Limestones Formation Carboniferous
Much Wenlock Formation Silurian
Mytton Flags Formation Ordovician
Mytton Flags and Tankerville Formation Ordovician
Namurian Series Formation Carboniferous
Norwich Crag Formation Chillesford Sand
Nothe Grits Formation Jurassic
Ogof Hen Formation Ordovician
Oldhaven Formation Palaeogene
Oldhaven Beds Palaeogene
Osborne Beds Palaeogene
Osgodby Formation Jurassic
Osmington Oolite Formation Jurassic
Overton Formation Silurian
Oxford Clay Jurassic
Parrot Coal Formation Carboniferous
Passage Beds Jurassic
Penarth Group/Lilstock Formation Triassic
Penarth Group/Westbury Formation Triassic
Penarth Group/White Lias Formation Jurassic, Triassic
Pendle Grit Carboniferous
Penarth Group/Cotham Formation Triassic
Penarth Group/Westbury Formation Triassic
Petherwin Group/Baggy Formation Devonian
Pilton Formation Devonian
Pilton Shales Carboniferous, Devonian
Pontyfenni Formation Ordovician
Portland Formation Jurassic
Portland Oolite Formation Jurassic
Portland Group/Portland Stone Formation Jurassic
Purbeck Formation Cretaceous, Jurassic
Purbeck Group/Durlston Formation Cretaceous
Purbeck Group/Lulworth Formation Cretaceous, Jurassic
Ravenscar Formation Jurassic
Ravenscar Group/Cloughton Formation Jurassic
Ravenscar Group/Eller Beck Formation Jurassic
Ravenscar Group/Lower Saltwick Formation Jurassic
Ravenscar Group/Saltwick Formation Jurassic
Ravenscar Group/Scalby Formation Jurassic
Ravenscar Group/Scarborough Formation Jurassic
Reading Beds Palaeogene
Red Crag Formation Neogene
Rhwlas Limestone Ordovician
Ringstead Coral Bed Formation Jurassic
Roeburndale Formation Carboniferous
Rutland Formation Jurassic
Sabden Shale Carboniferous
Saltwick Formation Jurassic
Sandringham Sands Jurassic
Sandringham Sandstone Cretaceous
Sandsfoot Grit Jurassic
Selborne Group/Gault Formation Cretaceous
Selborne Group/Upper Greensand Formation Cretaceous
Selsey Formation Palaeogene
Sharp's Hill Formation Jurassic
Sherwood Sandstone Group/Bromsgrove Sandstone Triassic
Sherwood Sandstone Group/Otter Sandstone Triassic
Shunner Fell Formation Carboniferous
Skegness Clay Cretaceous
Solenopora Beds Carboniferous
Solent Group/Bouldnor Formation Palaeogene
Speeton Clay Cretaceous
Spilsby Sandstone Cretaceous, Jurassic
Stanford Formation Jurassic
Stockdale Shales Silurian
Suffolk Pebble Beds Palaeogene
Tamar Group/Torquay Formation Devonian
Tankerville Formation Ordovician
Tarnbrook Wyre Marine Beds Carboniferous
Temeside Shale Silurian
Thanet Formation Palaeogene
Blue Lias Formation Jurassic
Torquay Limestone Devonian
Trigonia clavellata Formation Jurassic
Upnor Formation Palaeogene
Upper Border Formation Carboniferous
Upper Bowland Shales Carboniferous
Upper Calcareous Grit Jurassic
Upper Chalk Formation Cretaceous
Upper Coal Measures Formation Carboniferous
Upper Comley Formation Cambrian
Upper Greensand Formation Cretaceous
Upper Headon Beds Palaeogene
Upper Limestone Group/Main Limestone IX Formation Carboniferous
Upper Ludlow Formation Silurian
Urswick Limestone Carboniferous
Warwickshire Group/Kenilworth Sandstone Permian
Waterhouses Limestone Carboniferous
Weald Clay Cretaceous
Weald Clay Group/Lower Weald Clay Cretaceous
Weald Clay Group/Upper Weald Clay Cretaceous
Wealden Formation Cretaceous
Wealden Group/Ashdown Formation Cretaceous
Wealden Group/Tunbridge Wells Sand Formation Cretaceous
Wealden Group/Vectis Formation Cretaceous
Wealden Group/Wadhurst Clay Cretaceous
Wealden Group/Weald Formation Cretaceous
Wealden Group/Weald Clay Cretaceous
Wealden Group/Wessex Formation Cretaceous
Weaver Beds Carboniferous
Wenlock Formation Silurian
Wenlock Shale Silurian
Wessex Formation Cretaceous
Westbury Formation Triassic
Westbury Shales Triassic
Weston Flags Formation Ordovician
Weybourne Crag Formation
Whitby Mudstone Formation Jurassic
Whitcliffe Formation Silurian
Whitcliffe Beds Silurian
White Chalk Formation Cretaceous
White Limestone Jurassic
Wittering Formation Palaeogene
Woolwich & Reading Beds Palaeogene
Woolwich and Reading Formation Palaeogene
Wych Beds Silurian
Yeovil Sands Jurassic
Yoredale Group/Alston Formation Carboniferous
Zechstein Group/Marl Slate Formation Permian

See Also

References